Zobrazeno 1 - 10
of 36
pro vyhledávání: '"M. I. Sugak"'
Publikováno v:
Известия высших учебных заведений России: Радиоэлектроника, Vol 0, Iss 5, Pp 23-29 (2016)
The estimations of the bound of the quality factor for electrically small antennas inscribed in a cylinder and the triaxial ellipsoid are obtained. For antennas whose shape is far from spherical, the above estimation allows to refine the Chu-McLean l
Externí odkaz:
https://doaj.org/article/d6ed3a13bee24fc8bed1da01211e68bf
Autor:
L. M. Liubina, M. I. Sugak
Publikováno v:
Известия высших учебных заведений России: Радиоэлектроника, Vol 0, Iss 2, Pp 63-68 (2016)
Quality factor formulas for planar dipole in two-layer infinite phased antenna array in case of lumped or spatial excitation are presented. The mathematical model is based on the integration near fields of elements within the Floquet cell. Results of
Externí odkaz:
https://doaj.org/article/067a60269e3b48eb8f521f032fd674df
Publikováno v:
Известия высших учебных заведений России: Радиоэлектроника, Vol 0, Iss 4, Pp 65-70 (2015)
Results of designing of broadband equidistant phased antenna array (PAA) of UHF range, built on the basis of dipole emitters are shown. Frequency dependences of the reflection coefficients in the path of the power elements in the infinite PAA, as wel
Externí odkaz:
https://doaj.org/article/84d77994fa5d4561827e48d43fbd7f5b
Publikováno v:
2016 International Siberian Conference on Control and Communications (SIBCON).
Investigation results of flat-layered spherical lens made from homogenous dielectric material under illumination of slant polarized wave are presented. Lens anisotropy behavior impact on polarization characteristics of beam pattern main lobe is shown
Publikováno v:
2016 International Siberian Conference on Control and Communications (SIBCON).
The synthesis method of a beam pattern with nulls in specified directions is presented. A solution of the system of equations is used in the synthesis of the beam pattern. The expression for calculating of the beamformer complex weights is derived.
Publikováno v:
2015 International Siberian Conference on Control and Communications (SIBCON).
In this paper scanning mode of circular ring antenna is considered. It is shown that such an antenna possess narrower main beam and larger sidelobe level in comparison with circular aperture of the same radius. Ring antenna directivity does not chang
Autor:
O.Yu. Buslov, L. C. Sengupta, M. I. Sugak, A. A. Golovkov, V. Keis, A. B. Kozyrev, I.V. Kotelnikov
Publikováno v:
Integrated Ferroelectrics. 86:125-130
The experimental characteristics of the microwave phase-shifter based on the slot-line including ferroelectric film are presented. The tuning of the microwave signal phase at the slot-line output was provided due to the ferroelectric film dielectric
Publikováno v:
2014 24th International Crimean Conference Microwave & Telecommunication Technology.
Publikováno v:
Proceedings of the 2014 IEEE NW Russia Young Researchers in Electrical and Electronic Engineering Conference.
Results of full-wave simulation of the millimeter-wave antenna array with feed system based on a planar dielectric waveguide are presented. The problem of a choice of the electrical properties of materials and geometry of array's elements are discuss
Publikováno v:
2013 International Siberian Conference on Control and Communications (SIBCON).
In the paper estimation of the fundamental performance limit for short antennas operating in the ultra-short pulses and ultra-wideband signals radiation mode is performed. Generalized quality factor of the small antenna with respect to its dimensions